CN112441106A - Steering wheel angle adjusting device, vehicle steering gear and vehicle - Google Patents
Steering wheel angle adjusting device, vehicle steering gear and vehicle Download PDFInfo
- Publication number
- CN112441106A CN112441106A CN201910797620.5A CN201910797620A CN112441106A CN 112441106 A CN112441106 A CN 112441106A CN 201910797620 A CN201910797620 A CN 201910797620A CN 112441106 A CN112441106 A CN 112441106A
- Authority
- CN
- China
- Prior art keywords
- shaft body
- steering wheel
- tooth
- upper shaft
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/187—Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustment; with tilt and axial adjustment
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
- Power Steering Mechanism (AREA)
Abstract
The invention provides a steering wheel angle adjusting device, a vehicle steering gear and a vehicle, wherein the steering wheel angle adjusting device comprises an upper shaft body and a lower shaft body, wherein the upper shaft body is connected with an input shaft provided with a steering wheel; the lower shaft body is used for being connected with the output shaft; the upper shaft body is arranged in an axial direction of the upper shaft body in a displaceable manner, and the upper shaft body is provided with a connecting position connected with the lower shaft body and a separating position separated from the lower shaft body in the moving direction of the upper shaft body; when last axis body was in hookup location, the axis body rotation under the upper shaft body can be driven, and when last axis body was in the isolated position, the mode that goes up the axis body and can drive the input shaft rotation through the rotation and realize adjusting the steering wheel angle. The invention solves the problems that the angle positions of the steering wheel are different when the commercial vehicle runs in a no-load or full-load mode in the prior art, so that the driving experience of a driver is reduced, and the potential safety driving hazard of the driver to the commercial vehicle is brought.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a steering wheel angle adjusting device, a vehicle steering gear and a vehicle.
Background
Among the prior art, commercial car is when loading goods or uninstallation goods, whole car weight changes, the whole car gesture of commercial car changes thereupon, and the leaf spring of commercial car can produce when receiving the exogenic action change and warp, the input shaft that leads to the steering gear very easily like this takes place to deflect, because be provided with the steering wheel on the input shaft, foretell problem can cause commercial car at empty load and when full-load, there is the difference in the angular position of steering wheel, so not only influenced driver's driving experience, and can bring the driver to the driving safety hidden danger of commercial car.
Disclosure of Invention
The invention mainly aims to provide a steering wheel angle adjusting device, a vehicle steering gear and a vehicle, which are used for solving the problems that in the prior art, when a commercial vehicle runs in an empty load or a full load, the angle positions of a steering wheel are different, so that the driving experience of a driver is reduced, and the safety driving hidden danger of the driver to the commercial vehicle is brought.
In order to achieve the above object, according to one aspect of the present invention, there is provided a steering wheel angle adjusting apparatus including an upper shaft body and a lower shaft body, wherein the upper shaft body is for connection with an input shaft provided with a steering wheel; the lower shaft body is used for being connected with the output shaft; the upper shaft body is arranged in an axial direction of the upper shaft body in a displaceable manner, and the upper shaft body is provided with a connecting position connected with the lower shaft body and a separating position separated from the lower shaft body in the moving direction of the upper shaft body; when last axis body was in hookup location, the axis body rotation under the upper shaft body can be driven, and when last axis body was in the isolated position, the mode that goes up the axis body and can drive the input shaft rotation through the rotation and realize adjusting the steering wheel angle.
Further, the steering wheel angle adjusting device further comprises an actuator, the actuator is adjustably arranged on the lower shaft body along the axial position of the lower shaft body, the actuator is provided with a pushing driving end, and the pushing driving end is used for pushing the upper shaft body to the separation position from the connection position and driving the upper shaft body to rotate by a preset angle.
Furthermore, one end of the upper shaft body, which is opposite to the lower shaft body, is provided with an active driving tooth structure; one end of the lower shaft body, which is opposite to the upper shaft body, is provided with a driven driving tooth structure which is meshed with the driving tooth structure; the actuator comprises an execution body and a pushing tooth arranged at one end of the execution body, the pushing tooth forms a pushing driving end, and an inclined tooth surface of the pushing tooth is attached to an inclined tooth surface of a tooth of the driving tooth structure, so that the upper shaft body is driven to rotate by a preset angle while the upper shaft body is pushed to a separation position.
Furthermore, the upper shaft body and the lower shaft body are both in a cylindrical shape, the actuator is arranged on the inner wall surface of the cylindrical lower shaft body, and the teeth of the driving tooth structure are meshed with the teeth of the driven driving tooth structure and protrude into the lower shaft body to be matched with the pushing teeth.
Further, the tooth thickness of the driving tooth structure is larger than or equal to the sum of the tooth thickness of the driven driving tooth structure and the thickness of the pushing tooth structure.
Furthermore, the number of the actuators is multiple, and the multiple actuators comprise a first actuator and a second actuator, wherein the inclined tooth surface of the pushing tooth of the first actuator is attached to the inclined tooth surface of the first side of the tooth of the driving tooth structure so as to drive the upper shaft body to rotate along the first direction; the oblique tooth surface of the pushing tooth of the second actuator is attached to the oblique tooth surface of the second side of the tooth of the driving tooth structure so as to drive the upper shaft body to rotate along a second direction opposite to the first direction.
Further, the driving tooth structure is annular and comprises a plurality of first teeth; the driven driving tooth structure is annular, is annular initiative driving tooth structure and includes a plurality of second tooth, and wherein, the number of a plurality of first tooth is less than the number of a plurality of second tooth, and the number of a plurality of second tooth is 2 times of the number of a plurality of first tooth, and predetermines the angle and be greater than 0 degree and less than or equal to 10 degrees. .
Further, steering wheel angle adjusting device still includes reset spring, and reset spring sets up the one end of keeping away from down the axis body at last axis body to the motion of axis body to hookup location is gone up in the drive.
According to another aspect of the invention, a vehicle steering gear is provided, which comprises an input shaft, a steering wheel angle adjusting device, an output shaft and a rocker arm, wherein the input shaft, the steering wheel angle adjusting device and the output shaft are connected in a driving manner in sequence, the rocker arm is used for driving wheels to steer, and the steering wheel angle adjusting device is the steering wheel angle adjusting device.
According to another aspect of the present invention there is provided a vehicle comprising a vehicle body, wheels arranged on the vehicle body by means of a rocker arm of the vehicle steering, a steering wheel arranged on an input shaft of the vehicle steering, and the vehicle steering of claim 9, the steering wheel being angularly deflected when the vehicle body is loaded or unloaded, the vehicle steering being rotated by controlling the input shaft to steer the steering wheel.
By applying the technical scheme of the invention, the problem of steering wheel angle deflection caused by loading or unloading goods by a vehicle can be solved, namely, the correction effect on the steering wheel is realized.
Specifically, by providing a steering wheel angle adjusting device between an input shaft and an output shaft having a steering wheel, and connecting an upper shaft body of the steering wheel angle adjusting device to the input shaft while connecting a lower shaft body of the steering wheel angle adjusting device to the output shaft, the upper shaft body is movable in an axial direction thereof.
Therefore, when the vehicle runs normally, the upper shaft body is located at the connecting position connected with the lower shaft body, and the upper shaft body drives the lower shaft body to rotate, so that stable transmission between the input shaft and the output shaft provided with the steering wheel is ensured, and the vehicle is reliably controlled.
When the vehicle loading or the off-load in-process, the steering wheel can deflect along with the input shaft, at this moment, adjust steering wheel angle adjusting device's last shaft body to the discrete position with lower shaft body phase separation, go up the shaft body and lose the transmission connection relation with lower shaft body like this, it just can drive the input shaft rotation with the mode of rotation to go up the shaft body, under the prerequisite that the output shaft keeps not rotatory, ensure that the steering wheel can rotate along with the input shaft effectively, realize adjusting the angle of steering wheel promptly, make the steering wheel reform, the operational reliability of vehicle steering ware has not only been ensured, the practicality of vehicle has been improved, and promoted the driver and experienced good sense to the driving of vehicle, avoided simultaneously because of the too big potential safety hazard that drives the vehicle to the driver of steering wheel deflection angle.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of a vehicle steering gear mounted with a steering wheel angle adjusting device according to an alternative embodiment of the present invention;
fig. 2 is a perspective view of the steering wheel angle adjusting apparatus of fig. 1;
fig. 3 shows a schematic sectional view of the steering wheel angle adjusting apparatus in fig. 2.
Wherein the figures include the following reference numerals:
10. an upper shaft body; 100. an input shaft; 20. a lower shaft body; 200. an output shaft; 30. an actuator; 11. an active drive tooth structure; 21. a driven drive tooth arrangement; 31. an execution body; 32. pushing the teeth; 33. a first actuator; 34. a second actuator; 111. a first tooth; 211. a second tooth; 40. a return spring; 300. a steering wheel angle adjustment device; 400. a rocker arm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problems that when a commercial vehicle runs in an empty state and a full state in the prior art, the angle position of a steering wheel is different, so that the driving experience of a driver is reduced, and the safety driving hidden danger of the driver to the commercial vehicle is brought, the invention provides a steering wheel angle adjusting device, a vehicle steering gear and a vehicle, wherein the vehicle comprises a vehicle body, wheels, the steering wheel and the vehicle steering gear, the wheels are arranged on the vehicle body through a rocker arm 400 of the vehicle steering gear, the steering wheel is arranged on an input shaft 100 of the vehicle steering gear, when the vehicle body is loaded or unloaded, the steering wheel is subjected to angle deflection, and the vehicle steering gear controls the input shaft 100 to rotate so as to correct the steering wheel. As shown in fig. 1, the vehicle steering gear includes an input shaft 100, a steering wheel angle adjusting device 300, an output shaft 200 and a rocker arm 400, which are connected in sequence in a driving manner, wherein a steering wheel is disposed on the input shaft 100, the rocker arm 400 is used for driving wheels to steer, and the steering wheel angle adjusting device 300 is the steering wheel angle adjusting device 300 described above and below.
As shown in fig. 1 to 3, the steering wheel angle adjusting apparatus 300 includes an upper shaft body 10 and a lower shaft body 20, wherein the upper shaft body 10 is for connection with an input shaft 100 provided with a steering wheel; the lower shaft body 20 is used for connecting with the output shaft 200; the upper shaft body 10 is provided displaceably in the axial direction thereof, and the upper shaft body 10 has a connection position connected to the lower shaft body 20 and a separation position separated from the lower shaft body 20 in the moving direction thereof; when the upper axle body 10 is located at the connection position, the upper axle body 10 can drive the lower axle body 20 to rotate, and when the upper axle body 10 is located at the separation position, the upper axle body 10 can drive the input shaft 100 to rotate in a rotation manner to realize the angle adjustment of the steering wheel.
By providing a steering wheel angle adjusting means between the input shaft 100 and the output shaft 200 having the steering wheel, and connecting the upper shaft body 10 of the steering wheel angle adjusting means to the input shaft 100 while connecting the lower shaft body 20 of the steering wheel angle adjusting means to the output shaft 200, the upper shaft body 10 is movable in the axial direction thereof.
Like this, when the vehicle normal operating in-process, go up the axis body 10 and be in the hookup location that is connected with lower axis body 20, go up the axis body 10 and drive down the axis body 20 and rotate to guaranteed the stable transmission between input shaft 100 and the output shaft 200 that is provided with the steering wheel, guaranteed that the vehicle is controlled reliably.
When a vehicle is loaded or unloaded, the steering wheel deflects along with the input shaft 100, at the moment, the upper shaft body 10 of the steering wheel angle adjusting device is adjusted to a separation position separated from the lower shaft body 20, the upper shaft body 10 and the lower shaft body 20 lose a transmission connection relation, the upper shaft body 10 can drive the input shaft 100 to rotate in a rotation mode, on the premise that the output shaft 200 does not rotate, the steering wheel can effectively rotate along with the input shaft 100, namely, the angle of the steering wheel is adjusted, the steering wheel is corrected, the working reliability of the vehicle steering device is ensured, the practicability of the vehicle is improved, the driving experience of the vehicle by a driver is improved, and meanwhile, the potential safety hazard brought to the driving of the vehicle by the driver due to the fact that the steering wheel deflects by too large angle is avoided.
As shown in fig. 3, the steering wheel angle adjusting device further includes an actuator 30, the actuator 30 is adjustably disposed on the lower shaft body 20 along an axial position of the lower shaft body 20, and the actuator 30 has a pushing driving end, which is used for pushing the upper shaft body 10 from a connection position to a separation position and is capable of driving the upper shaft body 10 to rotate by a preset angle. Like this, through setting up executor 30 on lower shaft body 20 adjustably along the axial position of lower shaft body 20, the steering wheel angle adjusting device of being convenient for utilizes the top that pushes of executor 30 drive end with last shaft body 10 by the hookup location top to the detached position, ensures that steering wheel angle adjusting device's upper shaft body 10 and lower shaft body 20 can effectively be separated, further guarantees under the prerequisite that lower shaft body 20 does not rotate, the top that pushes of executor 30 drive end drive last shaft body 10 rotatory preset angle, has improved steering wheel angle adjusting device's simple operation nature.
As shown in fig. 2 and 3, one end of the upper shaft body 10 opposite to the lower shaft body 20 is provided with an active driving tooth structure 11; one end of the lower shaft body 20 opposite to the upper shaft body 10 is provided with a driven driving tooth structure 21 meshed with the driving tooth structure 11; the actuator 30 includes an actuating body 31 and a pushing tooth 32 disposed at one end of the actuating body 31, the pushing tooth 32 forms a pushing driving end, and an inclined tooth surface of the pushing tooth 32 is attached to an inclined tooth surface of a tooth of the active driving tooth structure 11, so as to drive the upper shaft 10 to rotate by a preset angle while pushing the upper shaft 10 to a separation position. In this way, the connection transmission reliability of the upper shaft body 10 and the lower shaft body 20 is improved by the engagement of the driving tooth structure 11 and the driven driving tooth structure 21, in addition, the oblique tooth surface of the pushing tooth 32 is attached to the oblique tooth surface of the teeth of the driving tooth structure 11, so as to ensure that a sufficient contact area is provided between the oblique tooth surface of the pushing tooth 32 and the oblique tooth surface of the teeth of the driving tooth structure 11, thereby avoiding the teeth of the driving tooth structure 11 from being damaged due to stress concentration, and the pushing action force of the pushing tooth 32 on the teeth of the driving tooth structure 11 can be decomposed into a vertical component force along the axial direction of the upper shaft body 10 and a horizontal component force along the radial direction of the upper shaft body 10 by the attachment of the oblique tooth surface of the pushing tooth 32 to the oblique tooth surface of the teeth of the driving tooth structure 11, thereby ensuring that the upper shaft body 10 can synchronously rotate while moving along the axial direction separation position of the upper shaft body 10, so as to realize the correction operation of the steering wheel.
As shown in fig. 2 and 3, the upper shaft body 10 and the lower shaft body 20 are both cylindrical, the actuator 30 is disposed on the inner wall surface of the cylindrical lower shaft body 20, and the teeth of the driving tooth structure 11 are engaged with the teeth of the driven driving tooth structure 21 and protrude inward of the lower shaft body 20 to be engaged with the pushing teeth 32. In this way, by arranging the actuator 30 on the inner wall surface of the cylindrical lower shaft body 20, the space utilization rate of the lower shaft body 20 is improved, which is beneficial to the miniaturization design of the steering wheel angle adjusting device; in addition, the upper shaft body 10 and the lower shaft body 20 are both cylindrical, so that the driving tooth structure 11 and the driven driving tooth structure 21 are effectively arranged, the light weight design of the steering wheel angle adjusting device is facilitated, and the processing and manufacturing cost of the steering wheel angle adjusting device is reduced.
It should be noted that, in the present application, considering that the actuator 30 is disposed on the inner wall surface of the cylindrical lower shaft body 20, optionally, the tooth thickness of the driving tooth structure 11 is greater than or equal to the sum of the tooth thickness of the driven driving tooth structure 21 and the thickness of the pushing tooth 32, that is, the tooth thickness of the driven driving tooth structure 21 and the thickness of the pushing tooth 32 are both less than the tooth thickness of the driving tooth structure 11, so that when the upper shaft body 10 is in the connection position with the lower shaft body 20, the teeth of the driven driving tooth structure 21 can be completely engaged with the teeth of the driving tooth structure 11, and it is ensured that the upper shaft body 10 and the lower shaft body 20 can be stably connected; when the angle of the steering wheel needs to be adjusted, the oblique tooth surface of the pushing teeth 32 of the actuator 30 can also be attached to the oblique tooth surface of the teeth of the driving tooth structure 11 to provide a pushing action force on the upper shaft body 10, so as to ensure that the upper shaft body 10 can be effectively separated from the lower shaft body 20, that is, the technical scheme ensures that the teeth of the driving tooth structure 11 have a large enough oblique tooth surface area, can be effectively engaged with the teeth of the driven tooth structure 21, ensures stable transmission between the upper shaft body 10 and the lower shaft body 20, and can also ensure effective matching with the pushing teeth 32, so as to ensure that the upper shaft body 10 is effectively pushed to a separation position; in the above process, the teeth of the driven driving tooth structure 21 and the pushing teeth 32 are mutually operated with the teeth of the driving tooth structure 11, and the two do not interfere with each other, so that the working stability of the steering wheel angle adjusting device 300 is ensured.
It should be noted that, in the present application, in consideration of the uncertainty of the direction of the steering wheel deflection angle during the loading or unloading process of the vehicle, the present application provides a plurality of actuators 30, where the plurality of actuators 30 includes a first actuator 33 and a second actuator 34, where a slanted tooth surface of the pushing tooth 32 of the first actuator 33 is attached to a slanted tooth surface of a first side of teeth of the active driving tooth structure 11 to drive the upper shaft body 10 to rotate in the first direction; the oblique tooth surface of the pushing tooth 32 of the second actuator 34 is engaged with the oblique tooth surface of the second side of the teeth of the driving tooth structure 11 to drive the upper shaft body 10 to rotate in a second direction opposite to the first direction. Thus, the steering wheel angle adjusting device 300 can effectively adjust the angle of the steering wheel with different deflection directions, so that the steering wheel can be corrected in time, and the working reliability of the steering wheel angle adjusting device 300 is improved.
As shown in fig. 2 and 3, the driving tooth structure 11 is ring-shaped, and the ring-shaped driving tooth structure 11 includes a plurality of first teeth 111; the driven driving tooth structure 21 is annular, and the annular driving tooth structure 11 comprises a plurality of second teeth 211, wherein the number of the plurality of first teeth 111 is less than that of the plurality of second teeth 211. Like this, all set up initiative drive tooth structure 11 and driven drive tooth structure 21 and circularize, guaranteed the tooth of initiative drive tooth structure 11 and the tooth engaged with's of driven drive tooth structure 21 stability mutually to when having improved upper shaft body 10 and lower shaft body 20 stability of being connected, make and to go up the transmission between shaft body 10 and the lower shaft body 20, when guaranteeing that upper shaft body 10 is in the hookup location who is connected with lower shaft body 20, the two can stably rotate in step. Furthermore, the driving tooth structure 11 and the driven driving tooth structure 21 in the structural form are beneficial to reducing the consumable materials of the steering wheel angle adjusting device, and the economical efficiency of the vehicle is improved.
In addition, the number of the first teeth 111 is smaller than that of the second teeth 211, when the teeth of the driving tooth structure 11 and the teeth of the driven driving tooth structure 21 are in a meshed state, it is ensured that one or more second teeth 211 exist between two adjacent first teeth 111, when the upper shaft body 10 is separated from the lower shaft body 20 under the pushing action of the actuator 30 and rotates by a preset angle so that the steering wheel is corrected, the upper shaft body 10 rotating by the preset angle moves from the separated position to the connection position connected with the lower shaft body 20, at this time, the first teeth 111 are meshed and matched with different second teeth 211, so that the second teeth 211 are replaced, long-term stress on the specific second teeth 211 is avoided, the service life of the driven driving tooth structure 21 is prolonged, and the practicability of the steering wheel angle adjusting device 300 is improved.
In the present application, after the angle of the steering wheel is corrected, the upper shaft 10 moves from the separated position to the connected position connected to the lower shaft 20, and in order to ensure that the teeth of each driving tooth structure 11 on the upper shaft 10 rotated by the preset angle can be engaged with the teeth of the driven tooth structure 21 on the lower shaft 20, the number of the second teeth 211 is preferably 2 times that of the first teeth 111, and the preset angle is greater than 0 degrees and less than or equal to 10 degrees.
Preferably, the number of the first teeth 111 is 36, and the preset angle is 5 degrees, so that the adjusting angle of the steering wheel angle adjusting device is ensured to be 5 degrees each time, and the adjusting precision of the steering wheel angle adjusting device is improved.
It should be noted that, in the illustrated embodiment of the present application, as shown in fig. 3, the first actuator 33 and the second actuator 34 can be switched, and after the first actuator 33 works once, that is, drives the active driving tooth structure 11 to rotate by an angle of the second tooth 211 along the first direction, the inclined tooth surface of the pushing tooth 32 of the first actuator 33 will be in contact with the inclined tooth surface of the second side of the tooth of the active driving tooth structure 11, that is, the first actuator 33 will become the second actuator 34, and when the first actuator 33 continues to work once, the upper shaft body 10 will be driven to rotate along the second direction; accordingly, the second actuator 34 becomes the first actuator 33, that is, if it is necessary to rotate the upper shaft body 10 in the first direction all the time, the first actuator 33 and the second actuator 34 are required to be operated alternately.
As shown in fig. 1 to 3, the steering wheel angle adjusting apparatus further includes a return spring 40, and the return spring 40 is disposed at an end of the upper shaft body 10 far from the lower shaft body 20 to drive the upper shaft body 10 to move to the connection position. Thus, when the upper shaft body 10 is located at the separation position, the return spring 40 is compressed to accumulate elastic potential energy, and after the steering wheel is returned, the return spring 40 provides elastic return force for the upper shaft body 10, so that the upper shaft body 10 moves from the separation position to the connection position connected with the lower shaft body 20 under the action of the elastic return force, the upper shaft body 10 and the lower shaft body 20 of the steering wheel angle adjusting device can be reliably connected in the running process of the vehicle, and the normal operation and control of the vehicle are ensured.
As shown in fig. 1 to 3, the return spring 40 provided in this embodiment can bear a certain torsion force, and the input shaft 100 is connected to the upper shaft 10 through the return spring 40, that is, two ends of the return spring 40 are respectively welded to the input shaft 100 and the upper shaft 10, so that the connection stability between the three is improved, and the three can rotate synchronously.
In an embodiment of the present application, the steering wheel angle adjusting device further includes a transmission sleeve, the transmission sleeve is sleeved on the upper shaft 10 and is in driving connection with the upper shaft 10, the input shaft 100 is connected with the transmission sleeve to drive the transmission sleeve to rotate so as to drive the upper shaft 10 to rotate, a first end of the return spring 40 is welded to the upper shaft 10, and a second end of the return spring 40 abuts against a limiting structure in the transmission sleeve. Thus, the input shaft 100, the transmission sleeve and the upper shaft body 10 can synchronously rotate by arranging the transmission sleeve; in addition, the first end of the return spring 40 is welded with the upper shaft body 10, the second end of the return spring 40 abuts against a limiting structure in a transmission sleeve, the transmission sleeve can protect the return spring 40 and limit the return spring axially, and the return spring 40 in the embodiment only provides elastic restoring force along the axial direction of the upper shaft body 10 for the upper shaft body 10 without bearing torsional force.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A steering wheel angle adjustment device, comprising:
the steering wheel comprises an upper shaft body (10), wherein the upper shaft body (10) is used for being connected with an input shaft (100) provided with a steering wheel;
the lower shaft body (20), the lower shaft body (20) is used for being connected with the output shaft (200);
the upper shaft body (10) is arranged in an axially displaceable manner, and the upper shaft body (10) has a connection position connected to the lower shaft body (20) and a separation position separated from the lower shaft body (20) in the direction of movement thereof; when the upper shaft body (10) is located at the connecting position, the upper shaft body (10) can drive the lower shaft body (20) to rotate, and when the upper shaft body (10) is located at the separating position, the upper shaft body (10) can drive the input shaft (100) to rotate in a self-rotating mode to adjust the angle of the steering wheel.
2. The steering wheel angle adjustment device according to claim 1, further comprising an actuator (30), wherein the actuator (30) is adjustably disposed on the lower shaft body (20) along an axial position of the lower shaft body (20), and the actuator (30) has a pushing drive end for pushing the upper shaft body (10) from the connection position to the separation position and capable of driving the upper shaft body (10) to rotate by a preset angle.
3. The steering wheel angle adjustment device according to claim 2,
one end of the upper shaft body (10) opposite to the lower shaft body (20) is provided with an active driving tooth structure (11);
one end of the lower shaft body (20) opposite to the upper shaft body (10) is provided with a driven driving tooth structure (21) meshed with the driving tooth structure (11);
the actuator (30) comprises an actuating body (31) and a pushing tooth (32) arranged at one end of the actuating body (31), the pushing tooth (32) forms a pushing driving end, and an inclined tooth surface of the pushing tooth (32) is attached to an inclined tooth surface of teeth of the driving tooth structure (11) so as to drive the upper shaft body (10) to rotate by a preset angle while pushing the upper shaft body (10) to the separation position.
4. The steering wheel angle adjusting apparatus according to claim 3, wherein the upper shaft body (10) and the lower shaft body (20) are each cylindrical, the actuator (30) is provided on an inner wall surface of the cylindrical lower shaft body (20), and teeth of the driving tooth structure (11) are engaged with teeth of the driven tooth structure (21) and are provided to protrude inward of the lower shaft body (20) to be engaged with the pushing teeth (32).
5. Steering wheel angle adjustment device according to claim 4, characterized in that the tooth thickness of the driving tooth arrangement (11) is greater than or equal to the sum of the tooth thickness of the driven tooth arrangement (21) and the thickness of the push tooth (32).
6. The steering wheel angle adjustment device according to any one of claims 3 to 5, characterized in that the actuator (30) is plural, the plural actuators (30) including a first actuator (33) and a second actuator (34), wherein,
the oblique tooth surface of the pushing tooth (32) of the first actuator (33) is attached to the oblique tooth surface of the first side of the tooth of the active driving tooth structure (11) so as to drive the upper shaft body (10) to rotate along a first direction;
the inclined tooth surface of the pushing tooth (32) of the second actuator (34) is attached to the inclined tooth surface of the second side of the teeth of the active driving tooth structure (11) so as to drive the upper shaft body (10) to rotate along a second direction opposite to the first direction.
7. The steering wheel angle adjustment device according to any one of claims 3 to 5,
the driving tooth structure (11) is annular, and the annular driving tooth structure (11) comprises a plurality of first teeth (111);
driven drive tooth structure (21) are the annular, are annular initiative drive tooth structure (11) and include a plurality of second tooth (211), wherein, the number of a plurality of first tooth (111) is less than the number of a plurality of second tooth (211), the number of a plurality of second tooth (211) is 2 times of the number of a plurality of first tooth (111), just predetermine the angle and be greater than 0 degree and less than or equal to 10 degrees.
8. The steering wheel angle adjustment device according to claim 1, further comprising a return spring (40), the return spring (40) being provided at an end of the upper shaft body (10) remote from the lower shaft body (20) to drive the upper shaft body (10) to move to the connection position.
9. A vehicle steering gear, characterized by comprising an input shaft (100), a steering wheel angle adjusting device (300), an output shaft (200) and a rocker arm (400) which are connected in a driving manner in sequence, wherein a steering wheel is arranged on the input shaft (100), the rocker arm (400) is used for driving wheels to steer, and the steering wheel angle adjusting device (300) is the steering wheel angle adjusting device of any one of claims 1 to 8.
10. A vehicle characterized by comprising a vehicle body, wheels provided on the vehicle body through a rocker arm (400) of the vehicle steering gear, a steering wheel provided on an input shaft (100) of the vehicle steering gear, the steering wheel being angularly deflected when the vehicle body is loaded or unloaded, and the vehicle steering gear turning the steering wheel by controlling the input shaft (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797620.5A CN112441106B (en) | 2019-08-27 | 2019-08-27 | Steering wheel angle adjusting device, vehicle steering gear and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797620.5A CN112441106B (en) | 2019-08-27 | 2019-08-27 | Steering wheel angle adjusting device, vehicle steering gear and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112441106A true CN112441106A (en) | 2021-03-05 |
| CN112441106B CN112441106B (en) | 2022-08-12 |
Family
ID=74740968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910797620.5A Active CN112441106B (en) | 2019-08-27 | 2019-08-27 | Steering wheel angle adjusting device, vehicle steering gear and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112441106B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5628050A (en) * | 1979-08-10 | 1981-03-19 | Aisin Seiki Co Ltd | Adjusting device for angle of steering wheel |
| JP2003165447A (en) * | 2001-12-03 | 2003-06-10 | Nissan Motor Co Ltd | Steering gear |
| JP2004009862A (en) * | 2002-06-06 | 2004-01-15 | Honda Motor Co Ltd | Steering system for vehicle |
| JP2006062527A (en) * | 2004-08-27 | 2006-03-09 | Toyota Motor Corp | Steering gear of vehicle |
| JP2008149748A (en) * | 2006-12-14 | 2008-07-03 | Toyota Motor Corp | Steering device |
| CN201105752Y (en) * | 2007-07-23 | 2008-08-27 | 四川省名山县长发工程机械配件有限公司 | Bolt type angle adjustable engineering machinery traversing mechanism |
| CN104192198A (en) * | 2014-09-22 | 2014-12-10 | 安徽工程大学 | Steering control device of vehicle |
| CN109849872A (en) * | 2019-04-08 | 2019-06-07 | 合肥工业大学 | A kind of motor drive machinery brake apparatus |
-
2019
- 2019-08-27 CN CN201910797620.5A patent/CN112441106B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5628050A (en) * | 1979-08-10 | 1981-03-19 | Aisin Seiki Co Ltd | Adjusting device for angle of steering wheel |
| JP2003165447A (en) * | 2001-12-03 | 2003-06-10 | Nissan Motor Co Ltd | Steering gear |
| JP2004009862A (en) * | 2002-06-06 | 2004-01-15 | Honda Motor Co Ltd | Steering system for vehicle |
| JP2006062527A (en) * | 2004-08-27 | 2006-03-09 | Toyota Motor Corp | Steering gear of vehicle |
| JP2008149748A (en) * | 2006-12-14 | 2008-07-03 | Toyota Motor Corp | Steering device |
| CN201105752Y (en) * | 2007-07-23 | 2008-08-27 | 四川省名山县长发工程机械配件有限公司 | Bolt type angle adjustable engineering machinery traversing mechanism |
| CN104192198A (en) * | 2014-09-22 | 2014-12-10 | 安徽工程大学 | Steering control device of vehicle |
| CN109849872A (en) * | 2019-04-08 | 2019-06-07 | 合肥工业大学 | A kind of motor drive machinery brake apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112441106B (en) | 2022-08-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7789175B2 (en) | Modular dual wheel drive assembly, wheeled devices that include modular dual wheel drive assemblies and methods for moving and/or maneuvering wheeled devices using modular dual wheel drive assemblies | |
| US5535843A (en) | Traveling carriage | |
| CN102745028B (en) | For installing airtyred method and apparatus | |
| CN109476023B (en) | Variable stiffness tandem spring actuator | |
| US11199249B2 (en) | Actuator of an apparatus for level adjustment of a motor vehicle | |
| CN101670581A (en) | Robot hand and humanoid robot having the same | |
| CN112441106B (en) | Steering wheel angle adjusting device, vehicle steering gear and vehicle | |
| US6761772B2 (en) | Workpiece support | |
| KR100791615B1 (en) | Walking structure of object | |
| CN112873248A (en) | Two-claw flexible manipulator with indexable finger root | |
| US11970202B2 (en) | System for adjusting a resistive force against a relative translational movement between two telescopic elements | |
| CN208498481U (en) | Driving wheel unit and automatic transport trolley | |
| DK171595B1 (en) | Ball unit and ball cover | |
| DE2515763B2 (en) | Device for the articulation of a mirror disk support of a remotely adjustable motor vehicle rearview mirror, which is mounted in a ball-and-socket joint on a console | |
| SE508679C2 (en) | Device for mutually adjustable articulated parts | |
| US20170291269A1 (en) | Drive shaft press | |
| CN100392292C (en) | Worm gear mechanism and electric power steering apparatus equipped with the worm gear mechanism | |
| CN112248715B (en) | Self-adaptive Mecanum wheel and automatic guide vehicle | |
| EP2845775A1 (en) | System and method for testing crash avoidance technologies | |
| CN108328257B (en) | Spring steering supply device | |
| CN100457015C (en) | Device for dehumidifying wet-wiping device | |
| CN106274563A (en) | A kind of seat angle adjustment | |
| CN116279881A (en) | Actively-adaptive double-drive magnetic wall climbing robot wheel set and transition method | |
| CN215043243U (en) | Novel robot chassis and multi-element robot | |
| JP3164596U (en) | Table lift |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |